Suspension and Chassis Questions about your suspension? Need chassis advice?

Wonderbar

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Old Feb 20, 2008 | 06:15 PM
  #1  
Imadude_134's Avatar
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Car: 1991 Camaro RS
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: ZT LSD with 3.42 - LS1 brakes
Wonderbar

Hey all,

This is probably going to sound like a VERY dumb question, but how difficult is the installation of a wonderbar? I just bought one from TDS (should be here by the weekend)... and it looks like it is very simple and straight forward:

-remove bolts for sway bar bushing
-Slide it in between bushing and frame
-put bolts back in

But I know that it cant be that easy... nothing ever is

I'm probably only going to have a 30 or so min window of time this weekend to do it, so would that be enough time?

Thanks in advance, and don't kill me cuz I have to borrow someone else's driveway (and have very limited time to do so)

-Tim-
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Old Feb 20, 2008 | 06:27 PM
  #2  
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Wonderbar

Originally Posted by Imadude_134
This is probably going to sound like a VERY dumb question, but how difficult is the installation of a wonderbar? I just bought one from TDS (should be here by the weekend)... and it looks like it is very simple and straight forward:

-remove bolts for sway bar bushing
-Slide it in between bushing and frame
-put bolts back in

But I know that it cant be that easy... nothing ever is

I'm probably only going to have a 30 or so min window of time this weekend to do it, so would that be enough time?
You're on track. Thirty minutes may be pushing it, however. I'd start the PB Blaster/ WD-40 now.

JamesC
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Old Feb 20, 2008 | 06:39 PM
  #3  
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From: La Mirada, California
Car: 1991 Camaro RS
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: ZT LSD with 3.42 - LS1 brakes
Re: Wonderbar

Thanks James, I just didn't think that it could be that easy... I know when I changed my EGR valve, it took me about 4 hours to do it... and that looked simple eoungh...

I guess that I am juat a little skeptical of things that seem to easy...

But I will def start WD-40-ing tonight, thanks for the advice!!
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Old Feb 20, 2008 | 06:47 PM
  #4  
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From: Old Bridge, NJ
Car: 1992 Camaro RS
Engine: 383 SuperRam
Transmission: 4L60
Axle/Gears: 3:23 Posi
Re: Wonderbar

Sometimes it can be a pain to hold everything up to align the bolts back up so you could use a jack stand or something to hold everything up while you slide the wonder bar in and put the bolts back in.
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Old Feb 20, 2008 | 09:51 PM
  #5  
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Re: Wonderbar



Yup, it REALLY IS that easy...

Derek is right about the hardest thing being the holding up stuff to put the bolts in. Other than that, it's one of the easiest mods there is.

Don't expect anything radical; on my car, it tightened it up, most noticeable whan hitting a bump while going over a corner. It didn't improve handling or anything like that. Just, seemed like the car was a bit firmer and more solid, under certain circumstances. Definitely good, but subtle.
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Old Feb 20, 2008 | 10:19 PM
  #6  
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From: Chicagoland Area
Car: '89 GTA/'86 TA/98 TA
Engine: 350/350/LS1
Transmission: R4/T5/4L60E
Axle/Gears: 3.23/2.77/3.73
Re: Wonderbar

What exactly does the wonderbar do. It is a steering brace right. Why do our cars need it. Our cars were made for performance so wouldnt this ruin the point of it?
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Old Feb 20, 2008 | 11:28 PM
  #7  
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From: Manchester, CT + Nashua, NH
Car: 90 Firebird Formula
Engine: LO3
Transmission: T5
Axle/Gears: 3.08 one wheel peel
Re: Wonderbar

Originally Posted by firebird896
Our cars were made for performance
Naw, they were just made to look and feel like performance. Really they are crappliy built, weak, and cheep.
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Old Feb 21, 2008 | 05:20 AM
  #8  
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Wonderbar

Originally Posted by firebird896
What exactly does the wonderbar do. It is a steering brace right.
Protects that area, which was/is prone to cracking--especially with 16" wheels apparently. Essentially it's a Bandaid.

JamesC
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Old Feb 21, 2008 | 06:48 AM
  #9  
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Wonderbar

Originally Posted by sofakingdom
It didn't improve handling or anything like that. Just, seemed like the car was a bit firmer and more solid, under certain circumstances. Definitely good, but subtle.
Thank you for that. The idea that the addition of the Wonderbar will make your car "ride like it's on rails" is annoying.

JamesC
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Old Feb 21, 2008 | 07:29 AM
  #10  
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Re: Wonderbar

That is why some people call it a Wonder Bar, because they Wonder what is dose. The correct name is Steering Box Support.
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Old Feb 21, 2008 | 08:09 AM
  #11  
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Wonderbar

The Camaro Parts and Illustration Catalog, in a diagram of the front suspension, calls it a "Wonderbar" in red lettering. In the description, it's called a Brace, Upr Structure. Odd, but somehow interesting.

JamesC

Last edited by JamesC; Feb 21, 2008 at 08:43 AM.
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Old Feb 21, 2008 | 10:49 AM
  #12  
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From: La Mirada, California
Car: 1991 Camaro RS
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: ZT LSD with 3.42 - LS1 brakes
Re: Wonderbar

I know that it wont do alot performance wise... I was mostly getting it because of the reduced stress on the other steering parts

That, and the next one that I am gonna get are SFCs, and I would just think that SFCs without a steering brace wouldn't work as well as SFC's with one...

I dont know for sure, but hopefully it will at least keep my alignment on for more than a week

-Tim-
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Old Feb 21, 2008 | 12:30 PM
  #13  
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Re: Wonderbar

It doesn't reduce stress on any steering parts.

All it does is brace the "frame" part of the unibody, where it sticks out toward the bumper.

Think about your steering..... you've got a Pitman arm and an idler arm, which are parallel, and which pivot around fixed points on the frame; and you've got a center link, which connects the 2 of those together. Those 3 things form 3 sides of a parallelogram. The 4th side is ...... empty space, between the 2 halves of the frame. All that the "wonderbar" does, is connect that empty space together, to complete the parallelogram.

GM introduced it to employ the pass side "frame" to help stabilize the steering gear mount point. But, in addition to that, it "perfects" the operation of the steering somewhat, since if that 4th side of that parallelogram doesn't stay a constant length (like, if the driver's side of the "frame" bends from the force of the steering gear), then the 2 wheels will steer differently. The toe will vary all over the place. The bar GREATLY reduces that (which in theory should reduce tire wear a bit, but I have no clue whether that actually results). And, it adds to the overall stiffness of the front end, much like a strut tower brace does. Which is what I mainly noticed; the whole car just felt more solid and firm, especially when hitting bumps at the same time as going around corners. I couldn't tell any change in the steering itself, or in the handling. The effect was not just super obvious. More of a minor tweek. About 10% or less as much effect as SFCs.

It's not going to "keep" your alignment. If the alignment doesn't stay constant, you have other issues somewhere.
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Old Feb 21, 2008 | 01:16 PM
  #14  
Imadude_134's Avatar
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From: La Mirada, California
Car: 1991 Camaro RS
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: ZT LSD with 3.42 - LS1 brakes
Re: Wonderbar

Well, I know that my car has some other issues also...

Anyways, thanks for the info!! that was really helpful!!

-Tim-
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Old Feb 21, 2008 | 05:45 PM
  #15  
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From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: Wonderbar

Originally Posted by slow_90firebird
Naw, they were just made to look and feel like performance. Really they are crappliy built, weak, and cheep.
Good design...crappy build materials.
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